Best HVAC Pros for commercial hvac energy savings calculator White Marsh, MD. Dial +1 410-879-9696. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating or cooling support services that are centered on home comfort solutions? The professionals at Blue Dot Services sell, install, and repair HVAC systems of all makes and models. Call us today!
Commercial
HVAC Service
Commercial cooling and heating repairs are inevitable. At Blue Dot Services, we deliver a comprehensive variety of heating and cooling solutions to meet every one of your commercial HVAC installation, replacement, repair, and maintenance requirements.
Emergency
HVAC Service
Emergencies can and do happen, and when they do, rest assured that we will will be there for you! Blue Dot Services can easily supply emergency assistance at any moment of the day or night. Don’t hesitate to contact us the minute an emergency occurs!


24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. Among our many service options promises that your comfort demands are achieved within your time frame and that even your most worrisome heating or air conditioner problems will be fixed today. Your time is valuable– and our team won’t keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our client’s total satisfaction, Blue Dot Services is a leading provider of HVAC services. Serving residential properties and businesses within , we perform routine servicing, repair work and new installations modified to your needs and budget demands.
Testimonials
Contact Us
Blue Dot Services
125 Industry Ln, Forest Hill, MD 21050, United States
Telephone
+1 410-879-9696
Hours
Open 24 hours
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More About White Marsh, MD
White Marsh is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. The population was 9,513 at the 2010 census.[1]
In 1965, the largely undeveloped northeast corridor was identified by Baltimore County as the preferred site for intensive development. A town center was proposed to be located west of Belair Road at the planned intersection of White Marsh and Walther Boulevards.
Room pressure can be either favorable or unfavorable with respect to outside the room. Favorable pressure takes place when there is more air being provided than tired, and is typical to decrease the infiltration of outdoors pollutants. Natural ventilation is a crucial consider minimizing the spread of airborne health problems such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation needs little upkeep and is inexpensive. A cooling system, or a standalone air conditioning unit, provides cooling and humidity control for all or part of a building. Air conditioned buildings frequently have sealed windows, since open windows would work versus the system meant to preserve continuous indoor air conditions.
The percentage of return air made up of fresh air can normally be controlled by changing the opening of this vent. Common fresh air consumption has to do with 10%. [] Air conditioning and refrigeration are supplied through the elimination of heat. Heat can be eliminated through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants.

It is essential that the air conditioning horse power suffices for the area being cooled. Underpowered a/c system will lead to power waste and inefficient use. Appropriate horsepower is required for any air conditioning unit installed. The refrigeration cycle utilizes four important elements to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into a heat exchanger (often called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid stage. An (likewise called metering gadget) controls the refrigerant liquid to flow at the correct rate. The liquid refrigerant is returned to another heat exchanger where it is allowed to vaporize, thus the heat exchanger is frequently called an evaporating coil or evaporator.
At the same time, heat is taken in from inside your home and moved outdoors, resulting in cooling of the building. In variable climates, the system may consist of a reversing valve that switches from heating in winter season to cooling in summer season. By reversing the flow of refrigerant, the heatpump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have extremely high effectiveness, and are often combined with seasonal thermal energy storage so that the cold of winter can be used for summer season a/c. Common storage mediums are deep aquifers or a natural underground rock mass accessed by means of a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heatpump is added-in since the storage acts as a heat sink when the system is in cooling (as opposed to charging) mode, triggering the temperature level to gradually increase during the cooling season. Some systems include an “economizer mode”, which is often called a “free-cooling mode”. When saving money, the control system will open (totally or partly) the outdoors air damper and close (fully or partly) the return air damper.
When the outdoors air is cooler than the demanded cool air, this will allow the demand to be met without using the mechanical supply of cooling (typically cooled water or a direct growth “DX” unit), therefore saving energy. The control system can compare the temperature level of the outdoors air vs.
In both cases, the outside air should be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator system are frequently installed in North American houses, offices, and public structures, but are tough to retrofit (install in a structure that was not created to get it) since of the bulky air ducts required.

An option to packaged systems is making use of different indoor and outdoor coils in split systems. Split systems are preferred and extensively used worldwide other than in The United States and Canada. In North America, split systems are most frequently seen in domestic applications, but they are gaining appeal in small industrial structures.
The advantages of ductless air conditioning systems consist of easy setup, no ductwork, greater zonal control, flexibility of control and quiet operation. [] In space conditioning, the duct losses can represent 30% of energy usage. Making use of minisplit can result in energy savings in area conditioning as there are no losses related to ducting.
Indoor units with directional vents mount onto walls, suspended from ceilings, or fit into the ceiling. Other indoor systems mount inside the ceiling cavity, so that brief lengths of duct handle air from the indoor system to vents or diffusers around the rooms. Split systems are more efficient and the footprint is generally smaller sized than the package systems.
